effervesce

Meanings

1. 1
   verb

   to give off bubbles of gas; to fizz or foam

   The tablet began to effervesce as soon as it touched the water.

2. 2
   verb

   to show lively enthusiasm, excitement, or high spirits

   The host seemed to effervesce with delight as the guests arrived.

From Latin effervescere ("to begin boiling or boil up"), formed from ex- ("out") and fervescere ("to grow hot"), from fervere ("to boil"). The figurative sense compares lively emotion to bubbling liquid.

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